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Finding the Fourth Proportional to 20,673.92, 31,011.22 and 5,883.22

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Solution

The fourth proportional to 20,673.92, 31,011.22 and 5,883.22 is: 8,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.92 : 31,011.22 = 5,883.22 : x
  2. Step 2: Convert to fraction form
    20,673.92/31,011.22 = 5,883.22/x
  3. Step 3: Cross multiply
    20,673.92x = 31,011.22 × 5,883.22
  4. Step 4: Simplify right side
    20,673.92x = 182,445,829.73
  5. Step 5: Solve for x
    x = 182,445,829.73/20,673.92
  6. Step 6: Final answer
    x = 8,824.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.